private WorkItem GetRightHandSideTargitWi(WorkItem wiSourceL, WorkItem wiSourceR, WorkItem wiTargetL, WorkItemStoreContext targetStore)
        {
            WorkItem wiTargetR;

            if (!(wiTargetL == null) &&
                wiSourceR.Project.Name == wiTargetL.Project.Name &&
                wiSourceR.Project.Store.TeamProjectCollection.Uri.ToString().Replace("/", "") == wiTargetL.Project.Store.TeamProjectCollection.Uri.ToString().Replace("/", ""))
            {
                // Moving to same team project as SourceR
                wiTargetR = wiSourceR;
            }
            else
            {
                // Moving to Other Team Project from Source
                wiTargetR = targetStore.FindReflectedWorkItem(wiSourceR, true);
                if (wiTargetR == null) // Assume source only (other team project)
                {
                    wiTargetR = wiSourceR;
                    if (wiTargetR.Project.Store.TeamProjectCollection.Uri.ToString().Replace("/", "") != wiSourceR.Project.Store.TeamProjectCollection.Uri.ToString().Replace("/", ""))
                    {
                        wiTargetR = null; // Totally bogus break! as not same team collection
                    }
                }
            }
            return(wiTargetR);
        }
        private void CreateRelatedLink(WorkItem wiSourceL, RelatedLink item, WorkItem wiTargetL, WorkItemStoreContext sourceStore, WorkItemStoreContext targetStore, bool save)
        {
            RelatedLink rl        = (RelatedLink)item;
            WorkItem    wiSourceR = null;
            WorkItem    wiTargetR = null;

            try
            {
                wiSourceR = sourceStore.Store.GetWorkItem(rl.RelatedWorkItemId);
            }
            catch (Exception ex)
            {
                Trace.WriteLine(string.Format("  [FIND-FAIL] Adding Link of type {0} where wiSourceL={1}, wiTargetL={2} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiTargetL.Id));
                Trace.TraceError(ex.ToString());
                return;
            }
            try
            {
                wiTargetR = GetRightHandSideTargitWi(wiSourceL, wiSourceR, wiTargetL, targetStore);
            }
            catch (Exception ex)
            {
                Trace.WriteLine(string.Format("  [FIND-FAIL] Adding Link of type {0} where wiSourceL={1}, wiTargetL={2} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiTargetL.Id));
                Trace.TraceError(ex.ToString());
                return;
            }
            if (wiTargetR != null)
            {
                bool IsExisting = false;
                try
                {
                    var exist = (
                        from Link l in wiTargetL.Links
                        where l is RelatedLink &&
                        ((RelatedLink)l).RelatedWorkItemId == wiTargetR.Id &&
                        ((RelatedLink)l).LinkTypeEnd.ImmutableName == item.LinkTypeEnd.ImmutableName
                        select(RelatedLink) l).SingleOrDefault();
                    IsExisting = (exist != null);
                }
                catch (Exception ex)
                {
                    Trace.WriteLine(string.Format("  [SKIP] Unable to migrate links where wiSourceL={0}, wiSourceR={1}, wiTargetL={2}", ((wiSourceL != null) ? wiSourceL.Id.ToString() : "NotFound"), ((wiSourceR != null) ? wiSourceR.Id.ToString() : "NotFound"), ((wiTargetL != null) ? wiTargetL.Id.ToString() : "NotFound")));
                    Trace.TraceError(ex.ToString());
                    return;
                }

                if (!IsExisting && !wiTargetR.IsAccessDenied)
                {
                    if (wiSourceR.Id != wiTargetR.Id)
                    {
                        Trace.WriteLine(
                            string.Format("  [CREATE-START] Adding Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id));
                        WorkItemLinkTypeEnd linkTypeEnd = targetStore.Store.WorkItemLinkTypes.LinkTypeEnds[rl.LinkTypeEnd.ImmutableName];
                        RelatedLink         newRl       = new RelatedLink(linkTypeEnd, wiTargetR.Id);

                        wiTargetL.Links.Add(newRl);
                        if (save)
                        {
                            wiTargetL.Fields["System.ChangedBy"].Value = "Migration";
                            wiTargetL.Save();
                        }
                        Trace.WriteLine(
                            string.Format(
                                "  [CREATE-SUCCESS] Adding Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} ",
                                rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id));
                    }
                    else
                    {
                        Trace.WriteLine(
                            string.Format(
                                "  [SKIP] Unable to migrate link where Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} as target WI has not been migrated",
                                rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id));
                    }
                }
                else
                {
                    if (IsExisting)
                    {
                        Trace.WriteLine(string.Format("  [SKIP] Already Exists a Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id));
                    }
                    if (wiTargetR.IsAccessDenied)
                    {
                        Trace.WriteLine(string.Format("  [AccessDenied] The Target  work item is inaccessable to create a Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id));
                    }
                }
            }
            else
            {
                Trace.WriteLine(string.Format("  [SKIP] Cant find wiTargetR where wiSourceL={0}, wiSourceR={1}, wiTargetL={2}", wiSourceL.Id, wiSourceR.Id, wiTargetL.Id));
            }
        }
 public void MigrateLinks(WorkItem sourceWorkItemLinkStart, WorkItemStoreContext sourceWorkItemStore, WorkItem targetWorkItemLinkStart, WorkItemStoreContext targetWorkItemStore, bool save = true)
 {
     if (targetWorkItemLinkStart.Links.Count == sourceWorkItemLinkStart.Links.Count)
     {
         Trace.WriteLine(string.Format("[SKIP] Source and Target have same number of links  {0} - {1}", sourceWorkItemLinkStart.Id, sourceWorkItemLinkStart.Type.ToString()), "LinkMigrationContext");
     }
     else
     {
         Trace.Indent();
         foreach (Link item in sourceWorkItemLinkStart.Links)
         {
             try
             {
                 Trace.WriteLine(string.Format("Migrating link for {0} of type {1}",
                                               sourceWorkItemLinkStart.Id, item.GetType().Name), "LinkMigrationContext");
                 if (IsHyperlink(item))
                 {
                     CreateHyperlink((Hyperlink)item, targetWorkItemLinkStart, save);
                 }
                 else if (IsRelatedLink(item))
                 {
                     RelatedLink rl = (RelatedLink)item;
                     CreateRelatedLink(sourceWorkItemLinkStart, rl, targetWorkItemLinkStart, sourceWorkItemStore, targetWorkItemStore, save);
                 }
                 else if (IsExternalLink(item))
                 {
                     var el = (ExternalLink)item;
                     if (!IsBuildLink(el))
                     {
                         CreateExternalLink(el, targetWorkItemLinkStart, save);
                     }
                 }
                 else
                 {
                     UnknownLinkTypeException ex = new UnknownLinkTypeException(string.Format("  [UnknownLinkType] Unable to {0}", item.GetType().Name));
                     Telemetry.Current.TrackException(ex);
                     Trace.WriteLine(ex.ToString(), "LinkMigrationContext");
                     throw ex;
                 }
             }
             catch (WorkItemLinkValidationException ex)
             {
                 sourceWorkItemLinkStart.Reset();
                 targetWorkItemLinkStart.Reset();
                 Telemetry.Current.TrackException(ex);
                 Trace.WriteLine(string.Format("  [WorkItemLinkValidationException] Adding link for wiSourceL={0}", sourceWorkItemLinkStart.Id), "LinkMigrationContext");
                 Trace.WriteLine(ex.ToString(), "LinkMigrationContext");
             }
             catch (FormatException ex)
             {
                 sourceWorkItemLinkStart.Reset();
                 targetWorkItemLinkStart.Reset();
                 Telemetry.Current.TrackException(ex);
                 Trace.WriteLine(string.Format("  [CREATE-FAIL] Adding Link for wiSourceL={0}", sourceWorkItemLinkStart.Id), "LinkMigrationContext");
                 Trace.WriteLine(ex.ToString(), "LinkMigrationContext");
             }
         }
     }
     if (sourceWorkItemLinkStart.Type.Name == "Test Case")
     {
         MigrateSharedSteps(sourceWorkItemLinkStart, targetWorkItemLinkStart, sourceWorkItemStore, targetWorkItemStore, save);
     }
 }
        private void CreateRelatedLink(WorkItem wiSourceL, RelatedLink item, WorkItem wiTargetL, WorkItemStoreContext sourceStore, WorkItemStoreContext targetStore, bool save, string sourceReflectedWIIdField)
        {
            RelatedLink rl        = (RelatedLink)item;
            WorkItem    wiSourceR = null;
            WorkItem    wiTargetR = null;

            try
            {
                wiSourceR = sourceStore.Store.GetWorkItem(rl.RelatedWorkItemId);
            }
            catch (Exception ex)
            {
                Log.Error(ex, "  [FIND-FAIL] Adding Link of type {0} where wiSourceL={1}, wiTargetL={2} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiTargetL.Id);
                return;
            }
            try
            {
                wiTargetR = GetRightHandSideTargetWi(wiSourceL, wiSourceR, wiTargetL, targetStore, sourceStore, sourceReflectedWIIdField);
            }
            catch (Exception ex)
            {
                Log.Error(ex, "  [FIND-FAIL] Adding Link of type {0} where wiSourceL={1}, wiTargetL={2} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiTargetL.Id);
                return;
            }
            if (wiTargetR != null)
            {
                bool IsExisting = false;
                try
                {
                    var exist = (
                        from Link l in wiTargetL.Links
                        where l is RelatedLink &&
                        ((RelatedLink)l).RelatedWorkItemId == wiTargetR.Id &&
                        ((RelatedLink)l).LinkTypeEnd.ImmutableName == item.LinkTypeEnd.ImmutableName
                        select(RelatedLink) l).SingleOrDefault();
                    IsExisting = (exist != null);
                }
                catch (Exception ex)
                {
                    Log.Error(ex, "  [SKIP] Unable to migrate links where wiSourceL={0}, wiSourceR={1}, wiTargetL={2}", ((wiSourceL != null) ? wiSourceL.Id.ToString() : "NotFound"), ((wiSourceR != null) ? wiSourceR.Id.ToString() : "NotFound"), ((wiTargetL != null) ? wiTargetL.Id.ToString() : "NotFound"));
                    return;
                }

                if (!IsExisting && !wiTargetR.IsAccessDenied)
                {
                    if (wiSourceR.Id != wiTargetR.Id)
                    {
                        Log.Information("  [CREATE-START] Adding Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id);
                        WorkItemLinkTypeEnd linkTypeEnd = targetStore.Store.WorkItemLinkTypes.LinkTypeEnds[rl.LinkTypeEnd.ImmutableName];
                        RelatedLink         newRl       = new RelatedLink(linkTypeEnd, wiTargetR.Id);
                        if (linkTypeEnd.ImmutableName == "System.LinkTypes.Hierarchy-Forward")
                        {
                            var potentialParentConflictLink = ( // TF201036: You cannot add a Child link between work items xxx and xxx because a work item can have only one Parent link.
                                from Link l in wiTargetR.Links
                                where l is RelatedLink &&
                                ((RelatedLink)l).LinkTypeEnd.ImmutableName == "System.LinkTypes.Hierarchy-Reverse"
                                select(RelatedLink) l).SingleOrDefault();
                            if (potentialParentConflictLink != null)
                            {
                                wiTargetR.Links.Remove(potentialParentConflictLink);
                            }
                            linkTypeEnd = targetStore.Store.WorkItemLinkTypes.LinkTypeEnds["System.LinkTypes.Hierarchy-Reverse"];
                            RelatedLink newLl = new RelatedLink(linkTypeEnd, wiTargetL.Id);
                            wiTargetR.Links.Add(newLl);
                            wiTargetR.Fields["System.ChangedBy"].Value = "Migration";
                            wiTargetR.Save();
                        }
                        else
                        {
                            if (linkTypeEnd.ImmutableName == "System.LinkTypes.Hierarchy-Reverse")
                            {
                                var potentialParentConflictLink = ( // TF201065: You can not add a Parent link to this work item because a work item can have only one link of this type.
                                    from Link l in wiTargetL.Links
                                    where l is RelatedLink &&
                                    ((RelatedLink)l).LinkTypeEnd.ImmutableName == "System.LinkTypes.Hierarchy-Reverse"
                                    select(RelatedLink) l).SingleOrDefault();
                                if (potentialParentConflictLink != null)
                                {
                                    wiTargetL.Links.Remove(potentialParentConflictLink);
                                }
                            }
                            wiTargetL.Links.Add(newRl);
                            if (save)
                            {
                                wiTargetL.Fields["System.ChangedBy"].Value = "Migration";
                                wiTargetL.Save();
                            }
                        }
                        Log.Information(
                            "  [CREATE-SUCCESS] Adding Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} ",
                            rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id);
                    }
                    else
                    {
                        Log.Information(
                            "  [SKIP] Unable to migrate link where Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} as target WI has not been migrated",
                            rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id);
                    }
                }
                else
                {
                    if (IsExisting)
                    {
                        Log.Information("  [SKIP] Already Exists a Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id);
                    }
                    if (wiTargetR.IsAccessDenied)
                    {
                        Log.Information("  [AccessDenied] The Target  work item is inaccessable to create a Link of type {0} where wiSourceL={1}, wiSourceR={2}, wiTargetL={3}, wiTargetR={4} ", rl.LinkTypeEnd.ImmutableName, wiSourceL.Id, wiSourceR.Id, wiTargetL.Id, wiTargetR.Id);
                    }
                }
            }
            else
            {
                Log.Information("  [SKIP] Cant find wiTargetR where wiSourceL={0}, wiSourceR={1}, wiTargetL={2}", wiSourceL.Id, wiSourceR.Id, wiTargetL.Id);
            }
        }
 public void MigrateLinks(WorkItem sourceWorkItemLinkStart, WorkItemStoreContext sourceWorkItemStore, WorkItem targetWorkItemLinkStart, WorkItemStoreContext targetWorkItemStore, bool save = true, bool filterWorkItemsThatAlreadyExistInTarget = true, string sourceReflectedWIIdField = null)
 {
     if (ShouldCopyLinks(sourceWorkItemLinkStart, targetWorkItemLinkStart, filterWorkItemsThatAlreadyExistInTarget))
     {
         Trace.Indent();
         foreach (Link item in sourceWorkItemLinkStart.Links)
         {
             try
             {
                 Log.Information("Migrating link for {sourceWorkItemLinkStartId} of type {ItemGetTypeName}", sourceWorkItemLinkStart.Id, item.GetType().Name);
                 if (IsHyperlink(item))
                 {
                     CreateHyperlink((Hyperlink)item, targetWorkItemLinkStart, save);
                 }
                 else if (IsRelatedLink(item))
                 {
                     RelatedLink rl = (RelatedLink)item;
                     CreateRelatedLink(sourceWorkItemLinkStart, rl, targetWorkItemLinkStart, sourceWorkItemStore, targetWorkItemStore, save, sourceReflectedWIIdField);
                 }
                 else if (IsExternalLink(item))
                 {
                     var el = (ExternalLink)item;
                     if (!IsBuildLink(el))
                     {
                         CreateExternalLink(el, targetWorkItemLinkStart, save);
                     }
                 }
                 else
                 {
                     UnknownLinkTypeException ex = new UnknownLinkTypeException(string.Format("  [UnknownLinkType] Unable to {0}", item.GetType().Name));
                     Log.Error(ex, "LinkMigrationContext");
                     throw ex;
                 }
             }
             catch (WorkItemLinkValidationException ex)
             {
                 sourceWorkItemLinkStart.Reset();
                 targetWorkItemLinkStart.Reset();
                 Log.Error(ex, "[WorkItemLinkValidationException] Adding link for wiSourceL={sourceWorkItemLinkStartId}", sourceWorkItemLinkStart.Id);
             }
             catch (FormatException ex)
             {
                 sourceWorkItemLinkStart.Reset();
                 targetWorkItemLinkStart.Reset();
                 Log.Error(ex, "[CREATE-FAIL] Adding Link for wiSourceL={sourceWorkItemLinkStartId}", sourceWorkItemLinkStart.Id);
             }
         }
     }
     if (sourceWorkItemLinkStart.Type.Name == "Test Case")
     {
         MigrateSharedSteps(sourceWorkItemLinkStart, targetWorkItemLinkStart, sourceWorkItemStore, targetWorkItemStore, save);
     }
 }
Пример #6
0
        public int FixExternalLinks(WorkItem targetWorkItem, WorkItemStoreContext targetStore, WorkItem sourceWorkItem, bool save = true)
        {
            List <ExternalLink> newEL    = new List <ExternalLink>();
            List <ExternalLink> removeEL = new List <ExternalLink>();
            int count = 0;

            foreach (Link l in targetWorkItem.Links)
            {
                if (l is ExternalLink && gitWits.Contains(l.ArtifactLinkType.Name))
                {
                    ExternalLink el = (ExternalLink)l;

                    GitRepositoryInfo sourceRepoInfo = GitRepositoryInfo.Create(el, sourceRepos, migrationEngine, sourceWorkItem?.Project?.Name);

                    // if sourceRepo is null ignore this link and keep processing further links
                    if (sourceRepoInfo == null)
                    {
                        continue;
                    }

                    // if repo was not found in source project, try to find it by repoId in the whole project collection
                    if (sourceRepoInfo.GitRepo == null)
                    {
                        var anyProjectSourceRepoInfo = GitRepositoryInfo.Create(el, allSourceRepos, migrationEngine, sourceWorkItem?.Project?.Name);
                        // if repo is found in a different project and the repo Name is listed in repo mappings, use it
                        if (anyProjectSourceRepoInfo.GitRepo != null && migrationEngine.GitRepoMappings.ContainsKey(anyProjectSourceRepoInfo.GitRepo.Name))
                        {
                            sourceRepoInfo = anyProjectSourceRepoInfo;
                        }
                        else
                        {
                            Trace.WriteLine($"FAIL could not find source git repo - repo referenced: {anyProjectSourceRepoInfo?.GitRepo?.ProjectReference?.Name}/{anyProjectSourceRepoInfo?.GitRepo?.Name}");
                        }
                    }

                    if (sourceRepoInfo.GitRepo != null)
                    {
                        string targetRepoName    = GetTargetRepoName(migrationEngine.GitRepoMappings, sourceRepoInfo);
                        string sourceProjectName = sourceRepoInfo?.GitRepo?.ProjectReference?.Name ?? migrationEngine.Target.Config.Project;
                        string targetProjectName = migrationEngine.Target.Config.Project;

                        GitRepositoryInfo targetRepoInfo = GitRepositoryInfo.Create(targetRepoName, sourceRepoInfo, targetRepos);
                        // if repo was not found in the target project, try to find it in the whole target project collection
                        if (targetRepoInfo.GitRepo == null)
                        {
                            if (migrationEngine.GitRepoMappings.ContainsValue(targetRepoName))
                            {
                                var anyTargetRepoInCollectionInfo = GitRepositoryInfo.Create(targetRepoName, sourceRepoInfo, allTargetRepos);
                                if (anyTargetRepoInCollectionInfo.GitRepo != null)
                                {
                                    targetRepoInfo = anyTargetRepoInCollectionInfo;
                                }
                            }
                        }

                        // Fix commit links if target repo has been found
                        if (targetRepoInfo.GitRepo != null)
                        {
                            Trace.WriteLine($"Fixing {sourceRepoInfo.GitRepo.RemoteUrl} to {targetRepoInfo.GitRepo.RemoteUrl}?");

                            // Create External Link object
                            ExternalLink newLink = null;
                            switch (l.ArtifactLinkType.Name)
                            {
                            case "Branch":
                                newLink = new ExternalLink(targetStore.Store.RegisteredLinkTypes[ArtifactLinkIds.Branch],
                                                           $"vstfs:///git/ref/{targetRepoInfo.GitRepo.ProjectReference.Id}%2f{targetRepoInfo.GitRepo.Id}%2f{sourceRepoInfo.CommitID}");
                                break;

                            case "Fixed in Changeset":      // TFVC
                            case "Fixed in Commit":
                                newLink = new ExternalLink(targetStore.Store.RegisteredLinkTypes[ArtifactLinkIds.Commit],
                                                           $"vstfs:///git/commit/{targetRepoInfo.GitRepo.ProjectReference.Id}%2f{targetRepoInfo.GitRepo.Id}%2f{sourceRepoInfo.CommitID}");
                                break;

                            case "Pull Request":
                                //newLink = new ExternalLink(targetStore.Store.RegisteredLinkTypes[ArtifactLinkIds.PullRequest],
                                //    $"vstfs:///Git/PullRequestId/{targetRepoInfo.GitRepo.ProjectReference.Id}%2f{targetRepoInfo.GitRepo.Id}%2f{sourceRepoInfo.CommitID}");
                                removeEL.Add(el);
                                break;

                            default:
                                Trace.WriteLine(String.Format("Skipping unsupported link type {0}", l.ArtifactLinkType.Name));
                                break;
                            }

                            if (newLink != null)
                            {
                                var elinks = from Link lq in targetWorkItem.Links
                                             where gitWits.Contains(lq.ArtifactLinkType.Name)
                                             select(ExternalLink) lq;
                                var found =
                                    (from Link lq in elinks
                                     where (((ExternalLink)lq).LinkedArtifactUri.ToLower() == newLink.LinkedArtifactUri.ToLower())
                                     select lq).SingleOrDefault();
                                if (found == null)
                                {
                                    newEL.Add(newLink);
                                }
                                removeEL.Add(el);
                            }
                        }
                        else
                        {
                            Trace.WriteLine($"FAIL: cannot map {sourceRepoInfo.GitRepo.RemoteUrl} to ???");
                        }
                    }
                }
            }
            // add and remove
            foreach (ExternalLink eln in newEL)
            {
                try
                {
                    Trace.WriteLine("Adding " + eln.LinkedArtifactUri);
                    targetWorkItem.Links.Add(eln);
                }
                catch (Exception)
                {
                    // eat exception as sometimes TFS thinks this is an attachment
                }
            }
            foreach (ExternalLink elr in removeEL)
            {
                if (targetWorkItem.Links.Contains(elr))
                {
                    try
                    {
                        Trace.WriteLine("Removing " + elr.LinkedArtifactUri);
                        targetWorkItem.Links.Remove(elr);
                        count++;
                    }
                    catch (Exception)
                    {
                        // eat exception as sometimes TFS thinks this is an attachment
                    }
                }
            }

            if (targetWorkItem.IsDirty && save)
            {
                Trace.WriteLine($"Saving {targetWorkItem.Id}");
                targetWorkItem.Fields["System.ChangedBy"].Value = "Migration";
                targetWorkItem.Save();
            }
            return(count);
        }